Electricity Physics

What Is Electricity?

Electricity is the form/type of energy that builds up in one place and flows to another. When electricity is gathered together by friction it is called Static Electricity.

Static Electricity


Electrostatics is the study of static electricity

Electrons moving from one place to another by friction is called Static Electricity.

ways to produce static electricity

  1. Charge by Friction

The rubbing of one objects surface against another causes friction. Removing electrons from one object and transferring them to the other because those objects become positively charged and then they attract.

2. Charge by Contact or Touch

Electrons can be transferred through contact by touching a charged object to a neutral object. The neutral object gains the same type of charge as the object that touched it, causing them to repel.

There's many other ways but just not as popular.


Current Electricity is the electricity produced by the continuous flow of electrons. An electrical current is the movement of negative electrical charges (electrons) through a conductor (electrical wire, metal foil, etc.). In an electrical circuit, the current flows from the point where the electrical potential is highest to the point where it is lowest. Making a Current requires an energy source like a battery and a complete path created by connecting wires.

How A Electricity Current Works


  • Measure the charge or amount of electrons passing through a circuit
  • Direct Current- only flow in 1 direction
  • Alternating Current- flows in different directions, can go back and forth at a regular pace


  • A measurement of the difficulty from a power source and the electric current.
  • Different materials used on a circuit have different resistances.


A series circuit is an electric circuit which uses one path to produce electricity

Series Circuit

A parallel circuit is an electrical circuit which has 2 or more paths for currents to flow and produce electricity

Parallel Circuit

The difference

  1. Each load of the Series Circuit uses a part of the energy supplied by the battery itself. However, each load of the Parallel Circuit uses all the energy provided by the battery.
  2. The current is the same throughout the Series Circuit. As for the Parallel Circuit, the current divides into different paths and a path that has less resistance will have a greater and more powerful current.
  3. For the Series Circuits, the current decreases when more resistors are added but, adding resistors in a Parallel Circuit will decrease the overall resistance of the circuit and keep the current the same.


Batteries are an electrochemical cell container consisting of chemical energy is converted into electricity and used as a source of power.

Different Types Of Batteries:

1. Wet Cell Batteries

  • Wet cells use liquid electrolyte
  • Used in Car Batteries

2. Dry Cell Batteries

  • Stores energy in an electrolyte paste
  • Also used mostly for Cars

Electrolyte- liquid or paste that conducts electricity


  • Particles with opposite charges attract eachother
  • Insulator: solid, liquid or gas that blocks the movement of electrons
  • Conductor: material that allows electrons to change their positions

Electric charge is a basic property of matter, 2 basic charges. Positive (+) and Negative (-). An electrical charge cannot be created or destroyed but can be transferred between objects.


Energy Use

Energy Sources


Nuclear Reactors are used to split atoms of the heaviest elements to release a gigantic amount of energy. Nuclear power is in-expensive and produces large amounts of electricity with no need of that much fuel. Nuclear waste is radioactive and quite poisonous to us and the environment.


Fossil Fuels are burned under the pressure of a generator to create steam which powers a turbine. This includes: Coal, Oil, and Natural Gas. The burning of fossil fuels causes pollution and global warming, therefore it is also harmful to the environment.


Hydro-Electricity uses the power of moving water to create energy within itself. Waterfalls are built to direct water through a specific path to turn a turbine which powers the generator. Hydro-Electricity is inexpensive and renewable as it is rapidly growing energy source throughout the world


Wind Turbines use the moving energy of air to spin their turbines which powers a generator to create electricity. Wind is not harmful to us nor the environment A disadvantage of wind energy is that wind is not always constant and the turbines are quite expensive to build.

  1. Renewable Energy: Energy source that cannot be replaced and/or reused (solar, wind, hydroelectricity)
  2. Non-Renewable Energy: Energy that is challenging or tough to replace and has a limited supply only. (Fossil Fuels, Coal)


Created By
kanak khanna


Created with images by Sam Bald - "Magic Ball" • Hans - "flash tesla coil experiment" • jared - "some plasma" • rusticusa - "plasma electric ball" • Pexels - "blue bulbs light bulbs" • .RGB. - "IMG_30961R+ HDR" • Photoshot - "stack battery energy" • Hans - "earth globe magnetism" • Pexels - "blur bright bulb" • lezhadob - "bulb lights macro"

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